IPv4 R&E Routing Table Report 23:05 GMT Sun 26 Jun, 2022 IPv4 BGP Table (Global) as seen at Singapore. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Singapore/ Analysis Summary ---------------- BGP routing table entries examined: 885950 Prefixes after maximum aggregation (per Origin AS): 336950 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 434414 Number of IPv4 prefixes with a valid ROA: 331859 Number of IPv4 prefixes with an invalid ROA: 1273 Number of IPv4 prefixes with no ROA: 552818 Total ASes present in the Internet Routing Table: 73110 Prefixes per ASN: 12.12 Origin-only ASes present in the Internet Routing Table: 62752 Origin ASes announcing only one prefix: 25846 Transit ASes present in the Internet Routing Table: 10358 Transit-only ASes present in the Internet Routing Table: 387 Paths with bogon ASNs present in the IPv4 Routing Table: 33 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 67 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 884 Number of instances of unregistered ASNs: 888 Number of 32-bit ASNs allocated by the RIRs: 39676 Number of 32-bit ASNs visible in the Routing Table: 32832 Prefixes from 32-bit ASNs in the Routing Table: 155566 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 485 Number of addresses announced to Internet: 3067772928 Equivalent to 182 /8s, 218 /16s and 128 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 297799 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229064 Total APNIC prefixes after maximum aggregation: 66327 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 224289 Unique aggregates announced from the APNIC address blocks: 95425 APNIC Region origin ASes present in the Internet Routing Table: 12652 APNIC Prefixes per ASN: 17.73 APNIC Region origin ASes announcing only one prefix: 3630 APNIC Region transit ASes present in the Internet Routing Table: 1735 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7931 Number of APNIC addresses announced to Internet: 772922880 Equivalent to 46 /8s, 17 /16s and 222 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-151865 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 262172 Total ARIN prefixes after maximum aggregation: 120094 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262424 Unique aggregates announced from the ARIN address blocks: 126770 ARIN Region origin ASes present in the Internet Routing Table: 18960 ARIN Prefixes per ASN: 13.84 ARIN Region origin ASes announcing only one prefix: 6913 ARIN Region transit ASes present in the Internet Routing Table: 1868 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4514 Number of ARIN addresses announced to Internet: 1296754944 Equivalent to 77 /8s, 74 /16s and 233 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-401308 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 250804 Total RIPE prefixes after maximum aggregation: 116917 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 248001 Unique aggregates announced from the RIPE address blocks: 151549 RIPE Region origin ASes present in the Internet Routing Table: 28131 RIPE Prefixes per ASN: 8.82 RIPE Region origin ASes announcing only one prefix: 12041 RIPE Region transit ASes present in the Internet Routing Table: 4014 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10719 Number of RIPE addresses announced to Internet: 713818368 Equivalent to 42 /8s, 140 /16s and 1 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-213403 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 115102 Total LACNIC prefixes after maximum aggregation: 27415 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 114887 Unique aggregates announced from the LACNIC address blocks: 48725 LACNIC Region origin ASes present in the Internet Routing Table: 10969 LACNIC Prefixes per ASN: 10.47 LACNIC Region origin ASes announcing only one prefix: 2685 LACNIC Region transit ASes present in the Internet Routing Table: 2244 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8689 Number of LACNIC addresses announced to Internet: 176360192 Equivalent to 10 /8s, 131 /16s and 11 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 27924 Total AfriNIC prefixes after maximum aggregation: 5523 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 35864 Unique aggregates announced from the AfriNIC address blocks: 11534 AfriNIC Region origin ASes present in the Internet Routing Table: 1652 AfriNIC Prefixes per ASN: 21.71 AfriNIC Region origin ASes announcing only one prefix: 577 AfriNIC Region transit ASes present in the Internet Routing Table: 325 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 67 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 979 Number of AfriNIC addresses announced to Internet: 107637504 Equivalent to 6 /8s, 106 /16s and 107 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 9265 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5922 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3581 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3493 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3424 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2422 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2253 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2137 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2124 425 216 TATACOMM-AS TATA Communications formerl 24560 2093 851 403 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 6687 10379 2667 AMAZON-02, US 11492 4482 297 706 CABLEONE, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 22773 3886 3067 353 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3477 1787 2508 AKAMAI-AS, US 6327 3437 1319 63 SHAW, CA 749 2993 50740 2251 DNIC-AS-00749, US 30036 2629 374 144 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2498 3342 355 GOOGLE-CLOUD-PLATFORM, US 209 2434 4952 415 CENTURYLINK-US-LEGACY-QWEST, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 6867 1730 145 UNI2-AS, ES 8551 4011 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3967 3360 194 AKAMAI-ASN1, NL 12389 2890 2289 908 ROSTELECOM-AS, RU 6849 2718 355 21 UKRTELNET, UA 9009 2519 249 1306 M247, GB 34984 2243 357 633 TELLCOM-AS, TR 58224 1810 935 600 TCI, IR 13188 1610 100 27 TRIOLAN, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10759 3404 555 Uninet S.A. de C.V., MX 10620 3472 514 773 Telmex Colombia S.A., CO 11830 2436 369 64 Instituto Costarricense de Electricidad 13999 1887 309 493 Mega Cable, S.A. de C.V., MX 28573 1365 2330 274 Claro NXT Telecomunicacoes Ltda, BR 6503 1357 351 536 Axtel, S.A.B. de C.V., MX 3816 1259 675 151 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1076 369 21 Telefonica del Peru S.A.A., PE 11664 1031 192 438 Techtel LMDS Comunicaciones Interactiva 26615 967 2454 47 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1546 521 31 RAYA-AS, EG 24863 1502 393 19 LINKdotNET-AS, EG 36992 1315 1519 264 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 959 65 57 ORANGE-COTE-IVOIRE, CI 36935 777 520 42 Vodafone-, EG 6713 610 1863 34 IAM-AS, MA 15399 519 52 37 WANANCHI-, KE 37342 464 32 1 MOVITEL, MZ 23889 422 232 16 MauritiusTelecom, MU Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10759 3404 555 Uninet S.A. de C.V., MX 9808 9265 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6867 1730 145 UNI2-AS, ES 16509 6687 10379 2667 AMAZON-02, US 7545 5922 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4482 297 706 CABLEONE, US 8551 4011 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3967 3360 194 AKAMAI-ASN1, NL 7155 3901 264 31 VIASAT-SP-BACKBONE, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9265 9219 CHINAMOBILE-CN China Mobile Communications Grou 12479 6867 6722 UNI2-AS, ES 7545 5922 5229 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6687 4020 AMAZON-02, US 8551 4011 3972 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4482 3776 CABLEONE, US 20940 3967 3773 AKAMAI-ASN1, NL 7552 3581 3562 VIETEL-AS-AP Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/Singapore/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US 394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.166.208.0/24 Origin: 398906 LUFTCLOUD-ASN-01, US 23.166.208.0/24 Transit: 132132 REPUBLICTELECOM-SG MyRepublic Ltd., SG 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW Complete listing at https://bgp.nsrc.org/REN/Singapore/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:13 /10:40 /11:100 /12:301 /13:589 /14:1198 /15:2091 /16:13472 /17:8266 /18:13739 /19:24735 /20:43069 /21:50827 /22:107251 /23:95008 /24:525229 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5846 6867 UNI2-AS, ES 8151 4484 10759 Uninet S.A. de C.V., MX 8551 3475 4011 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3389 4482 CABLEONE, US 6327 3247 3437 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2904 3886 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2576 2718 UKRTELNET, UA 30036 2286 2629 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1915 2:1042 3:157 4:5 5:3791 6:109 7:6 8:1525 9:1 11:172 12:1647 13:336 14:2336 15:221 16:44 17:384 18:175 20:213 21:4 22:188 23:5708 24:2356 25:6 27:2612 29:19 31:2451 32:92 34:7 35:87 36:1834 37:4422 38:3146 39:712 40:153 41:3905 42:1122 43:2196 44:288 45:15844 46:4116 47:295 49:1679 50:2167 51:237 52:1455 54:385 55:843 56:8 57:59 58:1705 59:1111 60:963 61:2263 62:2494 63:1931 64:5523 65:2330 66:4829 67:2961 68:1188 69:4158 70:1325 71:680 72:3036 74:2633 75:1393 76:574 77:2210 78:1838 79:3129 80:1987 81:1606 82:1493 83:1208 84:1312 85:2929 86:712 87:1917 88:1148 89:3313 90:541 91:7604 92:2007 93:2538 94:3440 95:3838 96:1301 97:350 98:1004 99:752 100:76 101:1274 102:2112 103:29218 104:4478 105:467 106:875 107:2539 108:834 109:4268 110:1972 111:3273 112:2038 113:1464 114:1473 115:1968 116:1887 117:2559 118:2302 119:1846 120:1668 121:1022 122:2508 123:2092 124:1541 125:2043 128:1176 129:1055 130:973 131:2028 132:810 133:377 134:1931 135:279 136:886 137:864 138:2433 139:1525 140:893 141:1440 142:1293 143:1426 144:1206 145:348 146:1806 147:1506 148:2209 149:1748 150:858 151:1073 152:1845 153:461 154:3555 155:1442 156:1692 157:1243 158:1048 159:2215 160:2543 161:1268 162:3457 163:1274 164:1630 165:1623 166:725 167:1745 168:3790 169:871 170:4496 171:833 172:3222 173:3120 174:1018 175:1150 176:3563 177:4621 178:3532 179:2110 180:2326 181:3003 182:3205 183:1954 184:2348 185:19549 186:4315 187:3787 188:3931 189:3371 190:8926 191:1389 192:10993 193:8619 194:7043 195:4936 196:3044 197:2400 198:5937 199:6014 200:7463 201:5868 202:10080 203:9980 204:4526 205:3469 206:3660 207:3345 208:4003 209:4646 210:4142 211:2321 212:4001 213:3405 214:1140 215:65 216:6469 217:2646 218:1270 219:408 220:1677 221:973 222:653 223:2148 End of report